Webster, G., & Oliver, J. (1970). Manager's Environment: An Economic Approach. Pan Books.
シカゴスタイル引用形Webster, G.H, , J.M Oliver. Manager's Environment: An Economic Approach. london: Pan Books, 1970.
MLA引用形式Webster, G.H, , J.M Oliver. Manager's Environment: An Economic Approach. Pan Books, 1970.
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